CVE-2025-21955 ksmbd: prevent connection release during oplock break notification

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbdwork could be freed when after connection release. Increment rcount of ksmbdconn to indicate that requests are not finished yet and to not release the...

CVE-2025-21955

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbdwork could be freed when after connection release. Increment rcount of ksmbdconn to indicate that requests are not finished yet and to not release the...

CVE-2025-21955

The CVE-2025-21955 issue affects the Linux kernel’s ksmbd module. Affected component: ksmbd_work and ksmbd_conn handling during oplock break notification. Root cause described: ksmbd_work could be freed after the connection was released, so the r_count of ksmbd_conn is incremented to indicate req...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from ksmbd potentially releasing connections during oplock interrupt notification...

PT-2025-14336

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, specifically in the ksmbd component. The issue involved the potential freeing of ksmbd work after connection release during oplock...

PT-2025-36314

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A reference count leak exists in ksmbd when ksmbd conn releasingopinfo-conn returns true. This leak prevents the reference count from reaching zero, hindering memory release...